Tunneling is examined as an industry. The demand for its services, the makeup of the industry, some history and its problems and prospects, are analyzed. Industry participants are listed: owners, engineer firms, tunnel builders and specialized suppliers. How business is obtained, an estimate prepared, and a project conducted are described. Decision making and risk management with private, public and multi-industry tunnel building firms, is described and analyzed. Manpower, technology and research and development needs are reviewed. The report covers transport, water and sewer tunnels, with emphasis on rapid transit.
One of the primary limitations for airport capacity in the United States is the phenomenon of aircraft wake vortices. In 1977, a document which descri...
This report is a sequel to a previous state-of-the-art published by the Strategic Highway Research Program (SHRP) in 1991 and is based on review of se...
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United States Department of Transportation
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